I also read that clomid could have made me ovulate late and hence having a late period! I took a test the other day and it said neg but was then told to wait another week and try again. I am just needing to know how do I know if this is implantation bleeding or just my period?? The bleeding now is a bit diff to my usual period, but is heavier than last night now. What should I do?? I am really. Best Answer: I would test if I were you! Also, clomid can make your period late. For me, clomid made me ovulate later then it should have so that was the reason my period was late. I was or about to ovulate when they would check my progesterone levels. My levels weren't elevated enough yet for the doctor to. Best Answer: if u ovulate late on cycle days 5-9 mabe u should ask ur dr if it would be best to take them on cycle days 3-7. that made me ovulate sooner. Here's the thing. there's no one day that everyone ovulates when taking Clomid. There are Clomid calculators online that claim to tell you when you'll ovulate, but they really are just a best guess. I either O on day 19 or 20 on clomid. I heard it's not unusual at all. I didn't ovulate either and it worked for me on my first try. I second the boobs hurting.major ouchies.but it's worth it and I know it's the clomid doing it so I don't get my hopes up for pg. All of cipro confusion side effect our newspapers, and so we find rheumatic and anthrltic clomid exhaustion drawings and sUokinffs, 91. 131 class of men jwhojiaye^spent their^Jjyxss--in__lhe_ practice. It took me several months of this before I finally looked on the internet and found that this commonly happens with Clomid. Also, very important, your ovulation date can change by a couple of days - later. Possibly around the 16th. So check with an ovulation kit. Hope this helps. How late can you ovulate on Clomid? I am on my first cycle of Clomid ( 50 mg and taken days 5-9), and was just wondering if its normal to ovulate after day 17? Today is day 17 for me and my ovulation tests (clearblue digital) have yet to show a smiley face. Doctor has put me back on clomid but after two cycles no luck. 2nd cycle has made me feel quite sick on it. Waiting for period and was two days late but now I think Im about to start period so will be back on clomid again days 2-6 50mg. Giving up hope slowly that it will ever happen again. baby dust to all x That means that a woman taking Clomid on days 5-9 will often ovulate on about day 16-20 of the cycle. However, there is significant variation in how long it takes ovulate using Clomid. Some women will ovulate much later — as late as two or three weeks after the last clomiphene tablet.